71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2015 Jonas Thedering
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "stdafx.h"
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#include <regex>
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#include "helpers/MemoryHelper.h"
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#include "helpers/StringHelper.h"
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#include "helpers/LogHelper.h"
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#include "GraphicEQFilter.h"
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#include "GraphicEQFilterFactory.h"
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using namespace std;
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static wregex regexNumber(L"[-+0-9.eE]+");
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vector<IFilter*> GraphicEQFilterFactory::createFilter(const wstring& configPath, wstring& command, wstring& parameters)
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{
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GraphicEQFilter* filter = NULL;
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if (command == L"GraphicEQ")
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{
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wstring value = parameters;
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if (value.find(L'.') == wstring::npos)
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value = StringHelper::replaceCharacters(value, L",", L".");
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wsregex_iterator begin(value.begin(), value.end(), regexNumber);
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wsregex_iterator end;
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vector<FilterNode> nodes;
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for (wsregex_iterator it = begin; it != end; it++)
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{
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wsmatch freqMatch = *it++;
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if (it != end)
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{
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wsmatch gainMatch = *it;
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double freq = wcstod(freqMatch.str(0).c_str(), NULL);
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double gain = wcstod(gainMatch.str(0).c_str(), NULL);
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FilterNode node(freq, gain);
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nodes.push_back(node);
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}
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}
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sort(nodes.begin(), nodes.end());
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TraceF(L"Graphic equalizer with %d nodes", nodes.size());
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void* mem = MemoryHelper::alloc(sizeof(GraphicEQFilter));
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filter = new(mem) GraphicEQFilter(nodes, 16384);
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}
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if (filter == NULL)
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return vector<IFilter*>(0);
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return vector<IFilter*>(1, filter);
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}
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